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State and explain the Clock face rule fo...

State and explain the Clock face rule for determining the polarities of a circular wire carrying current.

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Force on current carrying wire

Revision |Force on a current carrying wire

LAKHMIR SINGH & MANJIT KAUR-MAGNETIC EFFECT OF ELECTRIC CURRENT -Exercise
  1. What is the other name of Maxwell's right-hand thumb rule ?

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  2. What for do we apply clock-rule?

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  3. State and explain the Clock face rule for determining the polarities ...

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  4. Name any two factors on which the strength of magnetic field produced ...

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  5. (a) Draw a circuit diagram to show how a soft iron piece can be transf...

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  6. (a) How does an electromagnet differ from a permanent magnet ? (b) N...

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  7. The strength of the magnetic field between the poles of an electromagn...

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  8. The diagram given below represents magnetic field caused by a current...

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  9. Choose the correct option: The magnetic field inside a long straight...

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  10. Which of the following correctly describes the magnetic field near a l...

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  11. The north-south polarities of an electromagnet can be found easily by ...

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  12. The direction of electric current in a solenoid when viewed from a par...

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  13. The direction of electric current in a solenoid when viewed from a par...

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  14. Which of the following is most suitable for the core of electromagnets...

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  15. Magnetic effect of current was discovered by

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  16. A soft iron bar is inserted inside a current-carrying solenoid. The ma...

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  17. The magnetic field lines in the middle of the current-carrying solenoi...

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  18. The front face of a circular wire carrying current behaves like a nort...

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  19. The back face of a circular loop of wire is found to be south magnetic...

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  20. In the straight wire A, current is flowing in the vertically downward ...

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